INK COMPOSITION FOR 3D PRINTING, PROCESS FOR MAKING A CERAMIC GREEN BODY BY 3D PRINTING, AND PROCESS FOR MAKING A SINTERED CERAMIC COMPONENT PART

The present disclosure relates to an ink composition for 3D printing, the ink composition comprising non-oxide ceramic particles, a liquid, and two additives selected from one of the following combinations:(i) a first additive and a second additive,(ii) a first additive and a third additive,(iii) a...

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Bibliographische Detailangaben
Hauptverfasser:	Ludwig, Theresa, Daub, Dominik, Rumbucher, Jochen, Kayser, Ursula, Uibel, Krishna, Wildhack, Stefanie
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ADHESIVES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CORRECTING FLUIDS DYES FILLING PASTES INKS LIME, MAGNESIA METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES REFRACTORIES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SLAG TRANSPORTING TREATMENT OF NATURAL STONE USE OF MATERIALS THEREFOR WOODSTAINS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present disclosure relates to an ink composition for 3D printing, the ink composition comprising non-oxide ceramic particles, a liquid, and two additives selected from one of the following combinations:(i) a first additive and a second additive,(ii) a first additive and a third additive,(iii) a second additive and a third additive,and wherein the first additive is a polysaccharide, a polypeptide, or a combination thereof, and wherein the second additive is polyvinyl alcohol (PVA), a polyvinyl acetal, a polyether, a polyacrylate, a polycarboxylate, a polyvinyl ester, a polyester, a formaldehyde resin, a polyurethane, a polysiloxane, or a combination thereof, and wherein the third additive is a lubricant or a tenside, or a combination thereof.The present disclosure further relates to a process for making a ceramic green body by 3D printing and to a process for making a sintered ceramic component part.